When a rag-tag band of humans from the Terravegan colonies are defeated and imprisoned by Rojok invaders, their female exobiologist has to save the life of the alien commander in order to save her captain, her comrades, and herself.

"Set within a system of decaying world-ships travelling through deep space, this breakout novel of epic science fiction follows a pair of sisters who must wrest control of their war-torn legion of worlds--and may have to destroy everything they know in order to survive. On the outer rim of the universe, a galactic war has been waged for centuries upon hundreds of world-ships. But these worlds will continue to die through decay and constant war unless...

Legendary war hero Captain “Black Jack” Geary fights to stay ahead of his enemies in the fourth novel in Jack Campbell’s New York Times bestselling military science fiction series.
Deep within Syndicate World space, the Alliance fleet continues its dangerous journey home under the command of Captain John “Black Jack” Geary—revived after a century spent in suspended animation. Geary’s victories...

The members of the Ghost Brigades, made up of perfect soldiers created from the DNA of the dead, band together to protect the future of humanity when three alien races vow to stop humans' expansion into space.

"For the past year, their close loss in the annual Boarding Games has haunted the NeoG Interceptor Team Zuma's Ghost. With this year's competition looming, they're looking forward to some payback - until an unexpected personnel change leaves them reeling. Their best swordsman has been transferred, and a new lieutenant has been assigned in his place. Maxine Carmichael is trying to carve a place in the world on her own - away from the pressure and influence...

"Shuos Jedao is awake ... and nothing is as he remembers. He's a teenager, a cadet--a nobody--in the body of an old man; a general in command of an elite force. And he's the most feared, and reviled, man in the galaxy. Jedao carries orders from Hexarch Nirai Kujen to re-conquer the fractured pieces of the hexarchate. But he has no memory of ever being a soldier, let alone a general, and the Kel soldiers under his command hate him for a massacre he...

"The second original novel tying into the critically acclaimed and much-missed Firefly series from creator Joss Whedon. An old flame of Jayne Cobb's, Temperance McCloud, sends a message to Serenity, begging him for help. She lives on the arid, far-flung world of Tethys, and bandits are trying to overrun her town to gain control of their water supply: the only thing standing between its people and dustbowl ruin. Jayne tries to persuade the Serenity...

When two award-winning science-fiction masters like Anne McCaffrey and Elizabeth Ann Scarborough collaborate, the results are astonishing. Their master creation is Petaybee, a sentient planet able to guide its own evolution and, with some help from its loyal inhabitants, defend itself against predation by offworlders. Now, at last, McCaffrey and Scarborough return to Petaybee for the thrilling conclusion of the Twins of Petaybee trilogy, the sixth...

Mars is changing. Seemingly overnight the once "Red" planet is turning to gray. Something is happening, something unnatural. A team of, literally, rocket scientists figure out a way to send a probe, very fast, to Mars to determine how and why it is changing. However, when the probe is destroyed well short of the formerly red planet, it's apparent that Mars is being used as a staging ground. The only viable target for that staging ground is Earth....

A FEW GOOD CON MEN . . . The starship crew was stuck on a planet where the well-meaning schemes of ivory tower social engineers had created a nightmare of battling gangs. So they pretended to be the "Royal Legions" from a distant star kingdom in hot pursuit of an unspeakably evil and nearly all-powerful villain who was hiding somewhere on the planet. Things went even better than they had hoped, and the planet was rapidly becoming civilized . . ....